56303316 has 96 divisors (see below), whose sum is σ = 153538560. Its totient is φ = 17820000.

The previous prime is 56303309. The next prime is 56303323. The reversal of 56303316 is 61330365.

It is an interprime number because it is at equal distance from previous prime (56303309) and next prime (56303323).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 56303316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224191 + ... + 224441.

It is an arithmetic number, because the mean of its divisors is an integer number (1599360).

Almost surely, 2^56303316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56303316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76769280).

56303316 is an abundant number, since it is smaller than the sum of its proper divisors (97235244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56303316 is a wasteful number, since it uses less digits than its factorization.

56303316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 56303316 is about 7503.5535581483. The cubic root of 56303316 is about 383.2757344249.

The spelling of 56303316 in words is "fifty-six million, three hundred three thousand, three hundred sixteen".